If you use http://www. then if your domain name changes, you're hosed. I'd just site-root relative:
Hmm, beginning with a / does not seems to get me to the root level.
By way of example, the index page in my root level uses an image from a folder with images, like this:
There is also a directory with products where each product has its own folder, so the index page of a product is 2 levels down from the root level:
root > products > product_a > index.html
To use the same image, so far I used:
as I understand your suggestion, doesn't work.
Can I somehow use a single relative definition of the path? I know that absolute will work, it's just cumbersome to edit offline.